Mapping QTL for phenological and grain-related traits in a mapping population derived from high-zinc-biofortified wheat

dc.creatorRathan, N.D.
dc.creatorKrishnappa, G.
dc.creatorSingh, A.M.
dc.creatorVelu, G.
dc.date2023-01-19T01:20:12Z
dc.date2023-01-19T01:20:12Z
dc.date2023
dc.date.accessioned2023-07-17T20:10:13Z
dc.date.available2023-07-17T20:10:13Z
dc.identifierhttps://hdl.handle.net/10883/22438
dc.identifier10.3390/plants12010220
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7514183
dc.descriptionGenomic regions governing days to heading (DH), days to maturity (DM), plant height (PH), thousand-kernel weight (TKW), and test weight (TW) were investigated in a set of 190 RILs derived from a cross between a widely cultivated wheat-variety, Kachu (DPW-621-50), and a high-zinc variety, Zinc-Shakti. The RIL population was genotyped using 909 DArTseq markers and phenotyped in three environments. The constructed genetic map had a total genetic length of 4665 cM, with an average marker density of 5.13 cM. A total of thirty-seven novel quantitative trait loci (QTL), including twelve for PH, six for DH, five for DM, eight for TKW and six for TW were identified. A set of 20 stable QTLs associated with the expression of DH, DM, PH, TKW, and TW were identified in two or more environments. Three novel pleiotropic genomic-regions harboring co-localized QTLs governing two or more traits were also identified. In silico analysis revealed that the DArTseq markers were located on important putative candidate genes such as MLO-like protein, Phytochrome, Zinc finger and RING-type, Cytochrome P450 and pentatricopeptide repeat, involved in the regulation of pollen maturity, the photoperiodic modulation of flowering-time, abiotic-stress tolerance, grain-filling duration, thousand-kernel weight, seed morphology, and plant growth and development. The identified novel QTLs, particularly stable and co-localized QTLs, will be validated to estimate their effects in different genetic backgrounds for subsequent use in marker-assisted selection (MAS).
dc.languageEnglish
dc.publisherMDPI
dc.relationhttps://www.mdpi.com/article/10.3390/plants12010220/s1
dc.rightsCIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose
dc.rightsOpen Access
dc.source1
dc.source12
dc.source2223-7747
dc.sourcePlants
dc.source220
dc.subjectAGRICULTURAL SCIENCES AND BIOTECHNOLOGY
dc.subjectDArT-Seq
dc.subjectGene Mapping
dc.subjectYield Component Traits
dc.subjectWHEAT
dc.subjectQUANTITATIVE TRAIT LOCI
dc.subjectCANDIDATE GENES
dc.subjectQUANTITATIVE TRAIT LOCI MAPPING
dc.subjectYIELD COMPONENTS
dc.subjectBIOFORTIFICATION
dc.subjectWheat
dc.titleMapping QTL for phenological and grain-related traits in a mapping population derived from high-zinc-biofortified wheat
dc.typeArticle
dc.typePublished Version
dc.coverageBasel (Switzerland)


Este ítem pertenece a la siguiente institución